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The student analyzed the data from the investigation and concluded that the estimate of the mean of one treatment group was unreliable. Which of the following identifies the treatment group most likely to have provided an unreliable estimate of the mena and correctly explains why the estimate appears unreliable?
a. treatment group II - lower than expected mean absorbance
b. treatment group III higher than expected mean aborbance and largest standard error of the mean
c. tream group V lower than expected mean absorbance and smallest standard error of the mean
d. treatment group IV; higher than expected mean absorbanceand smallest standard error of the mean

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Martebi

Answer:

option a: B. treatment group III higher than expected mean aborbance and largest standard error of the mean

Explanation: a treatment group  group an experimental study is defined as that group  that  the experimental treatment is applied (the group that receives the experimental treatment). in any experimental research, treatment groups are subjected to  manipulation, alteration or change in the independent variable  that the researcher is interest in. in any research study, the experimental groups are an essential or a core part. in any experiment, there can be more than one treatment group.

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